STM32F1高速串口通信DMA收发实现

上传者: u012730525 | 上传时间: 2024-04-24 18:22:44 | 文件大小: 375KB | 文件类型: RAR
## 实现功能 * 收/发环形缓冲区 * 不定长度接收处理 * 高速(1.5Mbps)通信不丢数据
## 关键实现 ### DMA发送模式 * 线程循环查询发送环形缓冲区数据,然后启动MDA传输 * DMA传输完成中断,连续发送 * 定时器中断周期发送
### DMA接收模式 * DMA缓存半满中断(如CPU硬件支持,可使用DMA双缓存机制) * DMA缓存传输完成中断 * 串口空闲中断实现 ### DMA接收模式 * DMA缓存半满中断(如CPU硬件支持,可使用DMA双缓存机制) * DMA缓存传输完成中断 * 串口空闲中断实现 ### DMA接收模式 * DMA缓存半满中断(如CPU硬件支持,可使用DMA双缓存机制) * DMA缓存传输完成中断 * 串口空闲中断实现 ### DMA接收模式 * DMA缓存半满中断(如CPU硬件支持,可使用DMA双缓存机制) * DMA缓存传输完成中断 * 串口空闲中断实现 ### DMA接收模式 * DMA缓存半满中断(如CPU硬件支持,可使用DMA双缓存机制) * DMA缓存传输完成中断 * 串口空闲

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